Bosch PRA326B90E User manual

Carl-Wery-Straße 34

81739 München

Robert Bosch Hausgeräte GmbH

www.bosch-home.com

Operating instructions

Mode d’emploi

Instrucciones de funcionamiento

Manual de utilizaçao

Gebrauchsanweisung

Gebruiksaanwijzing

de

en

fr

es

pt

nl

tr Kullanma KIlavuzu

Cod. 9000346832 K

3

Table of contents

Safety precautions. . . . . . . . . . . . . . . . . . . 5

Your new appliance . . . . . . . . . . . . . . . . . 7

Burners . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Switching on manually . . . . . . . . . . . . . . . . . . . . 8

Switching on automatically . . . . . . . . . . . . . . . . . 8

Safety system . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Switching off a burner . . . . . . . . . . . . . . . . . 9

Power levels . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Warnings . . . . . . . . . . . . . . . . . . . . . . . . . 10

Suitable pans . . . . . . . . . . . . . . . . . . . . . . 10

Wok pan . . . . . . . . . . . . . . . . . . . . . . . . 10

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Additional wok pan support. . . . . . . . . . . . 11

Cooking recommendations. . . . . . . . . . . . . . . . 11

Precautions for use. . . . . . . . . . . . . . . . . 12

Cleaning and maintenance . . . . . . . . . . 13

Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Unsuitable products . . . . . . . . . . . . . . . . . . . . . 13

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Faults . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Technical Assistance Service . . . . . . . . . 15

Warranty conditions . . . . . . . . . . . . . . . . . . 15

Used appliances and packaging. . . . . . . 15

Environmentally-friendly waste management . . 15

4

Dear customer,

Congratulations on your choice and thank you for purchasing one of our appliances. This

practical, modern and functional appliance is manufactured using materials of the highest

quality which are subject to strict quality control checks throughout the entire manufacturing

process. The appliance is meticulously tested to ensure that it meets your demands and

produces perfect cooking results.

Do not remove the appliance from its protective packaging until it is installed in the unit.

Please read these instructions carefully before proceeding to install and use the appliance.

The information contained in these instructions is essential for the correct operation of the

appliance and, more importantly, for your safety.

The packaging of your appliance has been manufactured using only the materials which are

strictly necessary to guarantee efficient protection during transport.

These materials are 100% recyclable, thus reducing the environmental impact. You can also

contribute to caring for the environment, by following the advice below:

- dispose of the packaging in the appropriate recycling bin

- before you get rid of an old appliance, make sure you disable it. Contact your local authority

to find out the address of your nearest recycling centre to dispose of your appliance

- do not pour used oil down the sink. Collect it in a sealed container and take it to an

appropriate collection point or, failing that, place it in the rubbish bin (it will end up in a

controlled dump; this is probably not the best option, but it will avoid contaminating ground

water)

IMPORTANT:

In the unlikely event that the appliance should be damaged or not meet your expectations

in terms of quality, please inform us as soon as possible. For the warranty to be valid, the

appliance must not have been tampered with, or used inappropriately.

5

Safety precautions

Read these instructions carefully. Reading these

instructions will enable you to use your appliance safely

and effectively. Keep the operation and installation

instructions and provide them along with the appliance if

it is passed on to another user.

The manufacturer is exempt from all responsibility if

the requirements of this manual are not complied with.

The images shown in these instructions are for guidance

only.

Do not remove the appliance from its protective

packaging until it is installed in the unit.

Do not switch on the appliance if it is damaged in any

way. Contact our Technical Assistance Service.

This appliance is class 3 type, according to the EN 30-1-

1 regulation for gas appliances: built-in appliance.

This appliance must only be used in well ventilated places.

All operations relating to installation, connection,

regulation and conversion to other gas types must be

carried out by an authorised installation engineer,

respecting all applicable regulations, standards and

the specifications of the local gas and electricity

suppliers. Special attention shall be paid to ventilation

regulations.

It is recommended you contact the Technical

Assistance Service to change to another gas type.

Before installing your new hob, ensure that it is being

installed according to the assembly instructions.

This appliance leaves the factory set to the type of gas

that is indicated on the specifications plate. If this needs

to be changed, please consult the assembly instructions.

This appliance has been designed for home use only,

not for commercial or professional use. This appliance

cannot be installed on yachts or in caravans. The

warranty will only be valid if the appliance is used for the

purpose for which it was designed.

This appliance is only intended for cooking purposes,

not as a heating system.

This appliance is not intended for operation with an

external clock timer or a remote control.

Never leave the appliance unattended during operation.

This appliance may be used by children 8 years old and

older and by persons with reduced physical, sensory or

mental capacity or a lack of experience or knowledge if

they are supervised or they have been instructed about

6

the safe use of the appliance and have understood the

associated dangers.

Never let children play with the appliance. Cleaning and

user maintenance must not be carried out by

unsupervised children.

Accumulation of unburned gas in an enclosed area carries

a risk of deflagration. Carefully read the instructions and

warnings on the operation of gas burners.

The hotplates and surrounding area become very hot.

Never touch the hot surfaces. Children under 8 years old

must be kept at a safe distance from the appliance.

The hotplates become very hot. Never place combustible

items on the hob. Never place objects on the hob.

Do not store or use corrosive chemicals, steamers,

inflammable materials or non-food products below or

near this domestic appliance.

Fat or oil which is overheated can catch fire easily. Do

not leave oil or fats to heat up unattended. If oil or fats

do catch fire, never use water to put the fire out. Risk of

burns! Put the fire out by covering the pan with a lid and

switch off the hotplate.

Pans which are damaged, are not the right size, hang

over the edge of the hob or are not positioned correctly

can cause serious injuries. Follow the advice and

warnings provided relating to the cooking pans.

The kitchen will become hot and humid and combustion

products produced when this gas appliance is used.

Make sure the kitchen is well ventilated, particularly

when the hob is in use: either keep the natural ventilation

apertures open, or install a ventilation system (extractor

hood). Intense prolonged use of the appliance may

require additional or more effective ventilation: open a

window or increase the power of the ventilation system.

Do not subject the appliance to draughts. These might

blow out the burners.

Do not clean the hob using a steam cleaner. Risk of

electrocution!

In the event of a malfunction, turn off the appliance’s gas

and electricity supply. For repairs, call our Technical

Assistance Service.

Do not tamper with the appliance's interior. If necessary,

call our Technical Assistance Service.

If one of the control knobs will not turn, do not force it.

Call the Technical Assistance Service immediately, so

that they can repair or replace it.

Cracks or fractures in the glass may cause electric

shocks. Switch off the circuit breaker in the fuse box.

Contact the after-sales service.

7

Your new appliance

Pan support

Control knob

Burner (up to

2.8 kW)

Burner (up to

1.9 kW)

Dual double-

flame burner (up

to 6 kW)

These individual appliances can be combined and/or with conventional hobs of the same make, using the

joint accessory. See the catalogue for details.

Pan support

Control knob

8

Gas burners

Operation

There are indications to show which burner each control

knob operates. Fig. 1.

It is essential to ensure that all the burner parts

and pan supports are correctly installed for the

appliance to work correctly. Fig. 2-3-4.

Switching on manually

1. Press the chosen burner control knob and turn it

anticlockwise to the required setting.

2. Use any type of lighter or flame (cigarette lighter,

matches, etc.) and bring it close to the burner.

Switching on

automatically

If your hob can be switched on automatically (ignition

sparkers):

1. Press the chosen burner control knob and turn it

anticlockwise to the maximum power setting.

While the control knob is still pressed down, sparks are

produced on all burners. The flame ignites (it is no longer

necessary to press down the control knob).

2. Turn the control knob to the required setting.

If it does not come on, turn the control knob to the off

setting and repeat the steps above. This time, press and

hold the control knob for longer (up to 10 seconds).

Warning! If after 15 seconds the flame does not ignite,

switch off the burner and open a nearby window or door.

Wait at least one minute before trying to switch the

burner on.

Fig. 1

Fig. 2

Fig. 3

Fig. 4

9

Safety system

Depending on the model, your hob may have a safety

system (thermocouple) that prevents the flow of gas if the

burners accidentally switch off. To ensure that this device

is active, switch on the burner as usual and, without

releasing the control knob, press and hold it down firmly

for 4 seconds after lighting the flame.

Switching off a burner

Turn the corresponding control knob clockwise to the 0

setting.

Power levels

The progressive control knobs can be used to control the

power needed, from minimum to maximum power.

Thermocouple

Ignition sparker

Setting Control knob

off

High

flame

Maximum

capacity or

aperture and

electricity

on

Low

flame

Minimum

capacity or

aperture

For dual double-flame burners, the inner and outer

flames can be controlled separately.

The available power levels are as follows:

Inner and outer flame on full power.

Outer flame on minimum, inner flame on full power.

Inner flame on full power.

10

Warnings

It is normal to hear a slight whistling noise while the

burner is operating.

When it is first used, it is normal for the burner to give off

odours; this does not pose any risk and does not indicate

a malfunction; they will disappear in time.

A few seconds after the burner is switched off, a sound

(thud) will be produced. This is not a fault - this means

that the safety device is no longer operating.

Keep the burner as clean as possible. If the ignition

sparkers are dirty they will not light properly. Clean them

periodically using a small non-wire brush. Bear in mind

that the ignition sparkers must not suffer any serious

impacts.

An orange-coloured flame is normal. This is caused by

the presence of dust in the atmosphere, spilt liquids, etc.

If the burner flames are accidentally blown out, switch off

the burner operating control knob and do not try to relight

it for at least one minute.

Suitable pans

Wok pan A wok is a cooking vessel originating in China; it is a kind

of deep, round, lightweight pan with handles and a flat or

concave base.

Food can be prepared in various ways in a wok: it can be

stewed, stir fried, cooked on a low heat, pan-fried or

steamed. It could be said that woks serve as both as a

saucepan and a frying pan and, owing to their shape and

size, they can be used to cook quite large ingredients.

When cooking with a wok, heat is diffused more uniformly

and gently; the intense heat which accumulates means

that food takes less time to cook and also requires less

oil, making it one of the quickest and healthiest ways of

cooking.

Inner flame on minimum power.

Burner Minimum pan

diameter

Maximum pan

diameter

Double burner

22 cm

Rapid burner

22 cm 26 cm

Semi-rapid burner

14 cm 20 cm

11

Always follow the manufacturer's instructions when

cooking with a wok pan.

Accessories

Depending on the model, the hob may include the

following accessories. These are also available from the

Technical Assistance Service.

Additional wok pan

support

Only for use on the double flame burner with pans which

are more than 26 cm in diameter (roasting dishes,

earthenware pots, etc.) and with pans with a concave

base.

The manufacturer accepts no liability if these additional

pan supports are not used or are used incorrectly.

Cooking

recommendations

Burner Very high, High Medium Low

Double flame

burner

Boiling, steaming,

griddling, toasting,

paellas, Asian food

(wok).

Reheating and keeping things hot:

cooked and pre-cooked dishes.

Rapid burner Escalopes, steaks,

omelettes, frying.

Rice, white sauce

and ragout.

Steaming:

fish, vegetables.

Semi-rapid

burner

Steamed potatoes,

fresh vegetables,

stews, pasta.

Reheating and keeping things hot:

pre-cooked dishes and delicate

casseroles.

12

Precautions for use

The following advice is intended to help you save energy

and prevent pan damage:

Use pans which are the right size for each burner.

Do not use small pans on large burners. The flame

should not touch the sides of the pan.

Do not use damaged pans, which do not sit evenly on

the hob. Pans may tip over.

Only use pans with a thick, flat base.

Do not cook without using a lid and make sure the lid is

properly fitted to avoid wasting energy.

Always place the pan right over the burner, not to one

side. Otherwise it could tip over.

Do not place large pans on the burners near the control

knobs. These may be damaged by the very high

temperatures.

Place the pans on the pan supports, never directly on

the burner.

Pans should be placed on the hob carefully.

Do not strike the hob and do not place excessive weight

on it.

Make sure that the pan supports and burner covers are

correctly positioned before using the appliance

13

Cleaning and maintenance

Cleaning

Once the appliance is cool, use a sponge to clean it with

soap and water.

After each use, clean the surface of the respective burner

parts once they have cooled down. If any bits are left

(overcooked food, drops of grease etc.), however few,

they will become stuck to the surface and more difficult

to remove later. The holes and grooves must be clean for

the flame to ignite properly.

The movement of some pans may leave metal residue on

the pan supports.

Clean the burners and pan supports using soapy water

and scrub with a non-wire brush.

Alternatively, the pan supports can be put in the

dishwasher. Use the dishwasher manufacturer's

recommended detergent. If the pan supports are very

dirty, they should be cleaned previously.

Do not put the burner caps in the dishwasher.

If the pan supports are fitted with rubber rests, ensure that

these are also cleaned. The rests may come loose and

the pan support may scratch the hob.

Always dry the burners and pan supports completely.

Water droplets or damp patches on the hob at the start

of cooking may damage the enamel.

After cleaning and drying the burners, make sure the

burner covers are correctly placed on the burner flame

diffuser.

Unsuitable products

Never slide pans across the glass surface, as you may

scratch it. In addition, try not to drop heavy or sharp

objects on the glass. Never strike any part of the hob.

Do not use steam cleaners. This could damage the hob.

Never use abrasive products, steel scourers, sharp

implements, knives, etc. to remove bits of hardened food

from the hob.

If your hob is fitted with a glass or aluminium panel, never

use a knife, scraper or similar to clean the point where it

joins the metal.

Do not use knives, scrapers or similar implements to

clean the point where the glass meets the burner trims,

the metal frames or the glass/aluminium panels, if fitted.

14

Maintenance

Always clean off any liquid as soon as it is spilt: you will

save yourself any unnecessary effort.

Grains of sand that may come from cleaning fruits and

vegetables will scratch the glass surface.

Melted sugar, or foods which contain a lot of sugar which

may have spilt, should be cleaned off the hotplate

immediately, using the glass scraper.

Faults

Sometimes certain faults detected can be easily resolved.

Before calling the Technical Assistance Service, bear in

mind the following advice:

Fault Possible cause Solution

The general electrical

system is malfunctioning.

Defective fuse. Check the fuse in the main fuse box and

change it if it is damaged.

The automatic safety switch or circuit

breaker has tripped.

Check the main control panel to see if the

automatic safety switch or circuit breaker

has tripped.

The automatic switching on

function does not work.

There may be food or cleaning

products stuck between the ignition

sparkers and the burners.

The space between the ignition sparker and

the burner must be clean.

The burners are wet. Dry the burner caps carefully.

The burner caps are not correctly

positioned.

Check that the covers are correctly

positioned.

The appliance is not earthed, is poorly

connected or the earthing is faulty.

Contact the installation technician.

The burner flame is not

uniform.

The burner components are not

correctly positioned.

Correctly place the parts on the appropriate

burner.

The grooves on the burner are dirty. Clean the grooves on the burner.

The gas flow is not normal

or there is no gas.

The gas supply is blocked via

intermediary valves.

Open all gas taps.

If the gas is supplied from a gas

cylinder, check that this is not empty.

Change the gas cylinder.

15

Technical Assistance Service

When contacting our Technical Assistance Service,

please provide the product number (E-No.) and

production number (FD) of the appliance. This

information is given on the specifications plate located on

the lower section of the hob and on the label in the user

manual.

Warranty conditions

The applicable warranty conditions are those set out by

the company's representative office in the country of

purchase. Detailed information is available from retail

outlets. Proof of purchase must be presented to obtain

the benefits of the warranty.

We reserve the right to introduce changes.

Used appliances and packaging

If the ) symbol is shown on the specifications plate, bear

in mind the following instructions.

Environmentally-friendly waste

management

Unpack the appliance and dispose of the packaging by

environmentally-friendly means.

This appliance complies with European directive 2002/

96/CE on electrical and electronic equipment identified

as WEEE (waste electrical and electronic equipment).

The kitchen smells of gas. A gas tap has been left on. Turn off the taps.

Incorrect coupling of gas cylinder. Check that the coupling is sound.

Possible gas leak. Shut off the gas supply, ventilate the

premises and immediately notify an

authorised installation technician so that they

can check and certify the installation. Do not

use the appliance until you are sure that

there is no gas leak in the installation or

appliance itself.

The burner immediately

switches off after releasing

the control knob.

The control knob was not held down for

long enough.

Once the burner is on, hold the control knob

down a few seconds longer.

The grooves on the burner are dirty. Clean the grooves on the burner.

Fault Possible cause Solution

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